45382590 has 48 divisors (see below), whose sum is σ = 128724336. Its totient is φ = 11001600.

The previous prime is 45382559. The next prime is 45382591. The reversal of 45382590 is 9528354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45382591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21931 + ... + 23910.

It is an arithmetic number, because the mean of its divisors is an integer number (2681757).

Almost surely, 2^45382590 is an apocalyptic number.

45382590 is an abundant number, since it is smaller than the sum of its proper divisors (83341746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45382590 is a wasteful number, since it uses less digits than its factorization.

45382590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45865 (or 45862 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 45382590 is about 6736.6601517369. The cubic root of 45382590 is about 356.6945106900.

The spelling of 45382590 in words is "forty-five million, three hundred eighty-two thousand, five hundred ninety".